package com.wzh.gulimall.order.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.rabbitmq.client.Channel;
import com.wzh.common.utils.PageUtils;
import com.wzh.common.utils.Query;
import com.wzh.gulimall.order.dao.OrderItemDao;
import com.wzh.gulimall.order.entity.OrderEntity;
import com.wzh.gulimall.order.entity.OrderItemEntity;
import com.wzh.gulimall.order.entity.OrderReturnApplyEntity;
import com.wzh.gulimall.order.service.OrderItemService;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.MessageProperties;
import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Service;

import java.util.Map;

@RabbitListener(queues = {"hello-java-queue"})
@Service("orderItemService")
public class OrderItemServiceImpl extends ServiceImpl<OrderItemDao, OrderItemEntity> implements OrderItemService {

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<OrderItemEntity> page = this.page(
                new Query<OrderItemEntity>().getPage(params),
                new QueryWrapper<OrderItemEntity>()
        );

        return new PageUtils(page);
    }

    @RabbitHandler
    public void receiverMessage(Message message,OrderReturnApplyEntity content,
                                Channel channel) throws InterruptedException {
        //消息体
        byte[] body = message.getBody();
        //消息头属性信息
        MessageProperties properties = message.getMessageProperties();
        System.out.println("接收到消息...内容:" + content);
//        Thread.sleep(3000);
        System.out.println("消息处理完成=》"+content.getReturnName());
        //channel内按顺序自增的
        long deliveryTag = message.getMessageProperties().getDeliveryTag();
        System.out.println("deliveryTag:"+deliveryTag);
        //签收货物，非批量模式
        try{
            if (deliveryTag % 2 == 0){
                //收货
                channel.basicAck(deliveryTag,false);
                System.out.println("签收了货物。。。"+deliveryTag);
            } else {
                //退货requeue=false 丢弃  requeue=true发挥服务器，服务器重新入队。
                channel.basicNack(deliveryTag,false,false);
                System.out.println("没有签收货物..."+deliveryTag);
            }
        }catch (Exception e){
            //网络中断
        }
    }

    @RabbitHandler
    public void recieveMessage2(Message message, OrderEntity content, Channel channel) throws InterruptedException {
        System.out.println("接受到消息内容" + content);
        long deliveryTag = message.getMessageProperties().getDeliveryTag();
        try{
            //退货requeue=false 丢弃  requeue=true发挥服务器，服务器重新入队。
            channel.basicNack(deliveryTag,false,false);
            System.out.println("没有签收货物..."+deliveryTag);
        }catch (Exception e){
            //网络中断
        }
    }
}